Paul Ekins has a Ph.D. in economics from the University of London and is Head of the Environment Group at the Policy Studies Institute and Professor of Sustainable Development at the University of Westminster. He is also a specialist adviser to the Environmental Audit Committee of the House of Commons. In 2002 he was appointed to the Royal Commission on Environmental Pollution, and in 2004 was appointed to the UK Government’s Sustainable Energy Policy Advisory Board. Paul Ekins’ academic work focuses on the conditions and policies for achieving an environmentally sustainable economy, and he has extensive experience consulting for business, government and international organisations. He has made contributions in many areas relating to sustainable development and environmental policy, including the conceptualisation and measurement of environmental sustainability, the adjustment of the national accounts to take account of environmental impacts, environmental taxes and ecological tax reform, and environment and trade. He is the author of numerous papers, book-chapters and articles, and has written or edited six books, the most recent of which is Economic Growth and Environmental Sustainability: the Prospects for Green Growth (Routledge, London, 2000). In 1994 Paul Ekins received a Global 500 Award ‘for outstanding environmental achievement’ from the United Nations Environment Programme.